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冷軋鋼板

作者:admin 發(fā)布時(shí)間: 2021-08-24 2503 次瀏覽

冷軋鋼板

更多詳情

冷軋簡介：

用熱軋鋼卷為原料，經(jīng)酸洗去除氧化皮后進(jìn)行冷連軋，其成品為軋硬卷，由于連續(xù)冷變形引起的冷作硬化使軋硬卷的強(qiáng)度、硬度上升、韌塑指標(biāo)下降，因此沖壓性能將惡化，只能用于簡單變形的零件。軋硬卷可作為熱鍍鋅廠的原料，因?yàn)闊徨冧\機(jī)組均設(shè)置有退火線。軋硬卷重一般在6~13.5噸，鋼卷在常溫下，對熱軋酸洗卷進(jìn)行連續(xù)軋制。內(nèi)徑為610mm。

產(chǎn)品特點(diǎn)：

因?yàn)闆]有經(jīng)過退火處理，其硬度很高（HRB大于90），機(jī)械加工性能極差，只能進(jìn)行簡單的有方向性的小于90度的折彎加工（垂直于卷取方向）。

冷軋是在常溫狀態(tài)下由熱軋板加工而成，雖然在加工過程因?yàn)檐堉埔矔?huì)使鋼板升溫，盡管如此還是叫冷軋。由于熱軋經(jīng)過連續(xù)冷變型而成的冷軋，在機(jī)械性能比較差，硬度太高。必須經(jīng)過退火才能恢復(fù)其機(jī)械性能，沒有退火的叫軋硬卷。軋硬卷一般是用來做無需折彎，拉伸的產(chǎn)品。

應(yīng)用領(lǐng)域：

冷軋板帶用途很廣，如汽車制造、電氣產(chǎn)品、機(jī)車車輛、航空、精密儀表、食品罐頭等。冷軋薄鋼板是普通碳素結(jié)構(gòu)鋼冷軋板的簡稱，也稱冷軋板，俗稱冷板，有時(shí)會(huì)被誤寫成冷扎板。冷板是由普通碳素結(jié)構(gòu)鋼熱軋鋼帶，經(jīng)過進(jìn)一步冷軋制成厚度小于4mm的鋼板。由于在常溫下軋制，不產(chǎn)生氧化鐵皮，因此，冷板表面質(zhì)量好，尺寸精度高，再加之退火處理，其機(jī)械性能和工藝性能都優(yōu)于熱軋薄鋼板，在許多領(lǐng)域里，特別是家電制造領(lǐng)域，已逐漸用它取代熱軋薄鋼板。

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[ DB ] CONNECT:[ UseTime:0.000659s ] mysql:host=127.0.0.1;port=3306;dbname=xdzb;charset=utf8mb4
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[ SQL ] UPDATE `ysm_article` SET `click` = `click` + 1 WHERE `aid` = 26 [ RunTime:0.003874s ]
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[ SQL ] SELECT `a`.*,`ac`.`content`,`aa`.*,t.title as type_title FROM `ysm_article` `a` LEFT JOIN `ysm_type` `t` ON `a`.`tid`=`t`.`tid` LEFT JOIN `ysm_article_attr` `aa` ON `a`.`aid`=`aa`.`aid` LEFT JOIN `ysm_article_content` `ac` ON `a`.`aid`=`ac`.`aid` LEFT JOIN `ysm_article_type` `at` ON `a`.`aid`=`at`.`aid` WHERE `a`.`domain` = 'www' AND `a`.`tid` = 14 ORDER BY `a`.`sort` ASC,`a`.`aid` DESC LIMIT 10 [ RunTime:0.002018s ]
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